Pith Number

pith:E5TKC63J

pith:2016:E5TKC63JGNOYLRPWUPWS2GZZQI

not attested not anchored not stored refs pending

Property Checking By Logic Relaxation

Eugene Goldberg

arxiv:1601.02742 v1 · 2016-01-12 · cs.LO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{E5TKC63JGNOYLRPWUPWS2GZZQI}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T01:22:59.793843Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2766a17b69335d85c5f6a3ed2d1b39821f4230bfe531314f6fb5daea1bab91cc

Aliases

arxiv: 1601.02742 · arxiv_version: 1601.02742v1 · doi: 10.48550/arxiv.1601.02742 · pith_short_12: E5TKC63JGNOY · pith_short_16: E5TKC63JGNOYLRPW · pith_short_8: E5TKC63J

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/E5TKC63JGNOYLRPWUPWS2GZZQI \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 2766a17b69335d85c5f6a3ed2d1b39821f4230bfe531314f6fb5daea1bab91cc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "52cea4998a0d020cb3221d1437f7faa80ce05ffb13b94f2d60afc3323a519459",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2016-01-12T06:18:34Z",
    "title_canon_sha256": "9a3217d06d1980906990ffb0d36873c363a4e0635fcac5abfe6897ed4d8de1fd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.02742",
    "kind": "arxiv",
    "version": 1
  }
}